[DigitalToday reporter Oh Sang-yup] South Korea's KOSPI opened lower on Feb. 4 due to weakness in U.S. tech shares but soon rebounded and rose above the 5,300 level in intraday trading.

At 9:30 a.m., the KOSPI is trading at 5,309.57, up 21.49 points, or 0.41 percent, from the previous session.

The index opened at 5,260.71, down 27.37 points, or 0.52 percent, from the previous close, then trimmed its losses and turned higher.

By investor type, individuals and institutions are net buyers of 256.2 billion won and 27.5 billion won, respectively. Foreigners are net sellers of 290.1 billion won.

Samsung Electronics is trading at 164,100 won, down 2.03 percent, while SK Hynix is at 889,000 won, down 2.09 percent.

In contrast, most other top market-cap stocks are rising, including Hyundai Motor (up 2.96 percent), LG Energy Solution (up 1.92 percent), Samsung Biologics (up 0.40 percent), SK Square (up 3.48 percent), HD Hyundai Heavy Industries (up 0.52 percent) and Kia (up 0.92 percent).

At the same time, the Kosdaq is up 13.08 points, or 0.49 percent, at 1,149.92.

The index started at 1,139.02, down 5.31 points, or 0.46 percent, from the previous session, but soon turned higher.